10 February 2025 : Laboratory Research
Comparison of Color Stability Between Single-Shade and Conventional Composite Resins Following Immersion in Staining Solutions of Coffee, Cola, and Distilled Water
Abdullah Alshehri ABCDE 1*, Sultan Binalrimal BEFG 2, Luluh Alrumi ABCDEFG 3, Yara Y. Alhabeeb ABCDEFG 3, Lames Esam Murshid ABCDEFG 3, Feras Alhalabi
BDF 1, Abdullah Ali Alqahtani BDF 1, Mohammed Mustafa BDEF 1
DOI: 10.12659/MSM.946784
Med Sci Monit 2025; 31:e946784
Table 6 Comparison between subgroups (distilled water vs vola vs coffee) in group C.
| Group C | Distilled water (No=10) | Cola (No=10) | Coffee (No=10) | Test of sig (p) |
|---|---|---|---|---|
| Baseline color (T0) | ||||
| L0 | 54.02 (53.12–54.66) | 53.96 (53.38–54.49) | 53.86 (53.51–54.59) | (H=.047, p=0.977) |
| a0 | −2.19 (−2.25--2.04) | −2.135 (−2.21--2.03) | −2.23 (−2.28--2.07) | (H=3.6, p=0.164) |
| b0 | 1.59 (1.34–2.22) | 1.73 (1.14–2.32) | 1.51 (1.37–2.10) | (H=1.4, p=0.49) |
| After 1 week (T1) | ||||
| L1 | 54.08 (52.71–54.55) | 54.195 (51.86–55) | 48.46 (46.24–49.83) | (H=19.4, p=0.0001*) |
| a1 | −2.22 (−2.3--2.07) | −2.21 (2.24--2.08) | −1.845 (−2.26--1.31) | (H=10.7, p=0.005*) |
| b1 | .75 (.26–1.13) | 1.01 (.58–1.76) | 8.31 (2.36–11.39) | (H=21.3, p=0.0001*) |
| After 1 month (T2) | ||||
| L2 | 54.67 (54.18–55.07) | 54.28 (53.69–55.21) | 45.65 (43.56–49.13) | (H=21.03, p=0.0001*) |
| a2 | −2.31 (−2.40--2.17) | −2.36 (−2.42--2.22) | −1.13 (−2.18--.38) | (H=19.6, p=0.0001*) |
| b2 | .89 (.54–1.27) | 1.165 (.75–2) | 12.48 (4.07–15.38) | (H=22.4, p=0.0001*) |
| After polishing (T3) | ||||
| L3 | 53.92 (53.15–55.12) | 54.53 (53.38–55.87) | 48.36 (45.94–51.35 | (H=20.3, p=.0001*) |
| a3 | −2.21 (−2.34--2.02) | −2.195 (−3.01--2.08) | −1.72 (−2.23--1.08 | (H=13.8, p=0.001*) |
| b3 | .51 (.28–.91) | .56 (−.04–1.14) | 7.755 (.73–10.37) | (H=17.86, p=0.0001*) |
| Color change after 1 week (T1) | ||||
| L1-L0 | .1 (−1.20–.90) | 0 (−1.90–.50) | −5.65 (−7.50--3.80) | (H=19.4, p=0.0001*) |
| a1-a0 | 0 (−.10–.10) | −.1 (−.10–0) | .35 (0–.80) | (H=18.7, p=0.0001*) |
| b1-b0 | −.95 (−1.20--.50) | −.7 (−.90--.40) | 6.65 (.90–10) | (H=23.2, p=0.0001*) |
| ΔE1 | 1.04 (.94–1.71) | .78 (.43–2) | 8.86 (3.89–12.52) | (H=22.3, p=0.0001*) |
| Color change after 1 month (T2) | ||||
| L2-L0 | .75 (−.30–1.50) | .3 (−.10–.80) | −8.6 (−10.20--4.50) | (H=22.2, p=0.0001*) |
| a2-a0 | −.1 (−.20--.10) | −.2 (−.30--.10) | 1.05 (.10–1.80) | (H=22.6, p=0.0001*) |
| b2-b0 | −.9 (−1--.5) | −.5 (−.80--.30) | 10.5 (2.60–14) | (H=23.6, p=0.0001*) |
| ΔE2 | 1.13 (.91–1.60) | .74 (.46–1.06) | 13.67 (5.17–17.39) | (H=25, p=0.0001*) |
| Color change after polishing (T3) | ||||
| L3-L0 | .1 (−.80–1.50) | .7 (−.10–1.60) | −5.55 (−7.80--2.30) | (H=20.9, p=.0001*) |
| a3-a0 | 0 (−.10–.10) | 0 (−.80–0) | .45 (.10–1.10) | (H=20.5, p=.0001*) |
| b3-b0 | −1.2 (−1.50--.60) | −1.2 (−1.80--1) | 6.1 (−.80–9) | (H=19.3, p=0.0001*) |
| ΔE3 | 1.33 (1.08–1.62) | 1.39 (1.08–2.49) | 8.32 (2.41–11.94) | (H=19.04, p=0.0001*) |